fix ci

Author: YeAnbang

.github/workflows/run_chatgpt_examples.yml

@@ -31,6 +31,8 @@ jobs:
 
       - name: Install flash-attention
         run: |
+          pip uninstall flash-attn
+          pip install torch==2.5.1
           pip install flash-attn==2.7.4.post1 --no-build-isolation
 
       - name: Install Colossal-AI